Question

In diborane, the number of electrons that accounts for bonding in the bridges is :

• A. six
• B. two
• C. eight
• D. four

Answer 1

Answer: (D)

four

In diborane, odd-electron bonds are found in the bridges. From the figure, it is clear that $4$ electrons are present for bonding in the bridges.

Hence, option $D$ is correct.